AsposeXPSMergeToXps

AsposeXPSMergeToXps function

将多个 XPS 文件合并为一个 XPS 文件。

function AsposeXPSMergeXps(
    fileNames, 
    fileNameResult, 
    supressErrors
)

参数	类型	描述
fileNames	string	用于合并的文件名称。
fileNameResult	string	结果 XPS 文件的名称。
supressErrors	bool	指定是否必须抑制错误。

返回值

JSON 对象

字段	描述
	errorCode
	errorText
	fileNameResult

示例

  var fPsAsPdf = function (e) {
    const file_reader = new FileReader();
    file_reader.onload = (event) => {
      const json = AsposeXPSMergeToXps(event.target.result, e.target.files[0].name, true);
      if (json.errorCode == 0) {
        DownloadFile(json.fileNameResult, "image/pdf");
      }
      else 
        document.getElementById('output').textContent = json.errorText;
    }
    file_reader.readAsArrayBuffer(e.target.files[0]);
  }

Web Worker example:

  /*Create Web Worker*/
  const AsposePageWebWorker = new Worker("AsposePageforJS.js");
  AsposePageWebWorker.onerror = evt => console.log(`Error from Web Worker: ${evt.message}`);
  AsposePageWebWorker.onmessage = evt => document.getElementById('output').textContent = 
    (evt.data == 'ready') ? 'library loaded!' :
      (evt.data.json.errorCode == 0) ? `Result:\n${DownloadFile(evt.data.json.fileNameResult, "application/image", evt.data.params[0])}` : `Error: ${evt.data.json.errorText}`;

  /*Event handler*/
  const fPsAsPdf = e => {
    const file_reader = new FileReader();
    file_reader.onload = event => {
      /*Merge a XPS to XPS - Ask Web Worker*/
      AsposePageWebWorker.postMessage({ "operation": 'AsposeXPSMergeToXps', "params": [event.target.result, e.target.files[0].name, true] }, [event.target.result]);
    };
    file_reader.readAsArrayBuffer(e.target.files[0]);
  };

  /*Make a link to download the result file*/
  const DownloadFile = function (filename, mime, content) {
      mime = mime || "application/octet-stream";
      var link = document.createElement("a"); 
      link.href = URL.createObjectURL(new Blob([content], {type: mime}));
      link.download = filename;
      link.textContent = filename;
      link.title = "Click here to download the file";
      document.getElementById('fileDownload').appendChild(link);
      document.getElementById('fileDownload').appendChild(document.createElement("br"));
  }

另见

• function XPSMergeToPdf